This patch set implements a workaround for an errate in the APM
X-Gene SATA host controller with edge interrupt. The HOST_IRQ_STAT
misses the edge interrupt from the PORT_IRQ_STAT when clearing the
HOST_IRQ_STAT and reporting the PORT_IRQ_STAT happens in same clock
cycle.
Signed-off-by: Suman Tripathi <stripathi@xxxxxxx>
Suman Tripathi (2):
libahci: Implement the workaround to fix the missing of edge
interrupt for HOST_IRQ_STAT
ahci_xgene: Enable AHCI_HFLAG_EDGE_IRQ_BROKEN for APM X-Gen2 SATA
host controller
drivers/ata/ahci.h | 2 ++
drivers/ata/ahci_xgene.c | 3 ++-
drivers/ata/libahci.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 49 insertions(+), 1 deletions(-)
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